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Effect of additives on the WGS activity of combustion synthesized CuO/CeO2 catalysts

Paper ID Volume ID Publish Year Pages File Format Full-Text
52804 46887 2007 6 PDF Available
Title
Effect of additives on the WGS activity of combustion synthesized CuO/CeO2 catalysts
Abstract

This paper presents a study on the role of additives (samaria, lanthana, zirconia, and zinc oxide) to ceria as a support of copper catalysts for low-temperature WGSR. A single-step urea-combustion procedure was used for preparation of highly active catalysts. The results revealed the beneficial role of Sm2O3 and ZnO doping in increasing BET surface area and total pore volume of the catalysts and decreasing the degree of crystallinity of ceria. TPR profiles evidenced enhanced reducibility of modified catalysts. The WGS activity of these catalysts correlates well with BET, XRD, and TPR data. By comparing the catalysts with a commercial CuO–ZnO–Al2O3 sample we point out the feasibility of using CuO/doped-ceria catalysts for low-temperature WGSR.

Keywords
Copper catalysts; Doped-ceria; WGSR; Combustion synthesis
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Effect of additives on the WGS activity of combustion synthesized CuO/CeO2 catalysts
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 8, Issue 1, January 2007, Pages 101–106
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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